Laserfiche WebLink
MRR-16-96 14.64 FROM. AGUiR~£NCIN£ER6 INC. ID• • PAGE ~1B <br />Mrs. Ann Tatum <br />March 18, 1995 <br />Page 7 <br />There is a field between the house end the south hillside with numerous cattle grazing. This <br />field rises from the intermediate to the higher terrace. The field Is irrigated from a ditch that <br />flows along the uphill and of the field next to the railroad tracks. Turnouts from the ditch flow <br />into a secondary ditch within the field from which the field Is flood irrigated. At the lower end <br />of the field there is a ditch to capture the run-oft water and carry it away from the residence. <br />The railroad is at the upper end of the valley hoar et the base of the hillside. The railrcad <br />grade is partially excavated into the hlllalda. Immediately south of the home, there Is a small <br />ridge and a small valley. Wharo the railroad cute through the smell ridge, collwiel materiel and <br />some bedrock outcrops ere exposed. There~ia a small debris fen below the valley, through <br />which the railroad. is cut. The cotluvium eppesrs to be clay with some pebbles and gravel that <br />looks like debris flow matetiel. <br />Returning towards the home in a southaaeterly direction we descended from the highest to <br />the intennedlate level terrace. Behind the house, the scarp between the highest and the <br />intermadfete terrace is obscured by colluvlum from the small drainage that is roughly centered <br />on tfie home. <br />To the southeast there is a terrace escarpment that is about 10 to 20 feet high. The materiels <br />exposed on the terrace are river gravala end Cobbles. About 200 to 300 feet east of the <br />residence at the base of this escarpment, tMn Is a spring, At the time of our visit, the spring <br />was flowing weakly, less than a gallon a minute. There fs en unused, empty stock tank. <br />Towards the residents there is another spring feeding an active stock tank that was brim full. <br />A small trickle o} water from a pipe coming out of the hillside empties into the tank. The <br />emerges relatively near the top of the slope. The ground for 60 or more feet on elthar side <br />of the spring, but especially towards the house, Is very soggy as this is an area of seepage. <br />My interpretation here Is that the ferrets deposits are relatively thin and overlie the bedrock <br />malarial that creates an aquahrd. Qroundwater within the terrace is actively seeping where <br />this relatively Impervious bedrock outcrops near the terrace slope. <br />Adjacent to the residence kself, where the river makes its most northerly meander, it is cutting <br />iMO bedrock. Due north of the home, the river flows directly on bedrock for several hundred <br />test due north of the home. The rtteander turns back to the east to pass under the driveway <br />bridge leading to the house. <br />r:~ropelNZeoieaeore.m.m .- <br />